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(parent: 4b0c004) | patch
xen/arm: Add performance counters in guest atomic helpers
authorJulien Grall <julien.grall@arm.com>
Mon, 29 Apr 2019 14:05:29 +0000 (15:05 +0100)
committerJulien Grall <julien.grall@arm.com>
Fri, 14 Jun 2019 13:27:32 +0000 (14:27 +0100)
commit48584b4b90a9d4ff3fd2545822d487544b7d0718
treecd137915ddce48531dff9b32adb2d15b0c72f63atree | snapshot
parent4b0c004beb22777572c1b8bfd1404caddfb268f0commit | diff
xen/arm: Add performance counters in guest atomic helpers

Add performance counters in guest atomic helpers to be able to detect
whether a guest is often paused during the operations.

This is part of XSA-295.

Signed-off-by: Julien Grall <julien.grall@arm.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
xen/include/asm-arm/guest_atomics.h diff | blob | history
xen/include/asm-arm/perfc_defn.h diff | blob | history
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